﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.SqlClient;

namespace _201206QuanLyBanHang.HeThong
{
    class BLL_Dangnhap
    {
         DataConn da;
         public BLL_Dangnhap()
        {
            da = new DataConn();
        }
         public SqlDataReader laypass(string sql)
         {
             return da.ThucHienReader(sql);
         }
       
    }
}
